How can I convert tabs to spaces and vice versa in an existing file

Question

I cannot figure out how to do this for the life of me apart from doing a find-replace on 4 spaces and converting to tabs (Version 0.10.2). I can\'t think of an editor/I

Answer 1

1. Select Replace: CTRL-H
2. Enter Horizontal Tab in Find box: hold ATL and type 009 on the keypad.
3. Enter a space(or more spaces) into the Replace box: press space bar
4. Press Enter to begin replacing Tabs with Space(s).